【单选题】下面的选项哪个是错误的( )
B.
C程序中的一个变量,代表内存中一个相应的存储单元,变量的值可以根据需要随时修改
D.
在C程序中,正整数可以用八进制、十进制和十六进制的形式来表示
【简答题】我国元代数学著作《四元玉鉴》的作者是( )
【单选题】Don' t be anxious ______her safety, She' be OK.
【单选题】水气病的形成与下列哪一脏关系不密切( )
【单选题】The government is asked to improve school bus safety, ______ ? [ ]
【单选题】A “stopper” is().
A.
a short length of line used for temporarily holding another line
B.
a snatch block for handling a topping lift
C.
an engine order telegraph
D.
the brake on a cargo winch
【单选题】The main advantage of a Chinese stopper over the one line stopper is that it ______.
A.
will not jam on the mooring line
C.
is easier to use when under heavy tension
D.
is safer to use when under heavy tension
【判断题】台北孔庙的照壁叫“万仞宫墙”,其中“仞”是古代度量单位,一仞等于3尺。()
【单选题】The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the ______.